2211211100 has 36 divisors (see below), whose sum is σ = 5483805264. Its totient is φ = 758129280.

The previous prime is 2211211081. The next prime is 2211211103. The reversal of 2211211100 is 11121122.

2211211100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211211103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1578737 + ... + 1580136.

It is an arithmetic number, because the mean of its divisors is an integer number (152327924).

Almost surely, 2^2211211100 is an apocalyptic number.

2211211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211211100 is an abundant number, since it is smaller than the sum of its proper divisors (3272594164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211211100 is a wasteful number, since it uses less digits than its factorization.

2211211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158894 (or 3158887 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2211211100 is about 47023.5164571941. The cubic root of 2211211100 is about 1302.7969563229.

Adding to 2211211100 its reverse (11121122), we get a palindrome (2222332222).

The spelling of 2211211100 in words is "two billion, two hundred eleven million, two hundred eleven thousand, one hundred".